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Finding the Fourth Proportional to 167,824.40, 251,736.60 and 153,827.60

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Solution

The fourth proportional to 167,824.40, 251,736.60 and 153,827.60 is: 230,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,824.40 : 251,736.60 = 153,827.60 : x
  2. Step 2: Convert to fraction form
    167,824.40/251,736.60 = 153,827.60/x
  3. Step 3: Cross multiply
    167,824.40x = 251,736.60 × 153,827.60
  4. Step 4: Simplify right side
    167,824.40x = 38,724,037,010.16
  5. Step 5: Solve for x
    x = 38,724,037,010.16/167,824.40
  6. Step 6: Final answer
    x = 230,741.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.